title: Underused IUDs offer safe, effective contraception.
authors.forename: D E
authors.initials: DE
authors.lastname: Waite
mesh_terms: D002986:Clinical Trials as Topic; D003257:Consumer Product Safety; D003267:Contraception / Q000379:methods; D003625:Data Collection; D005260:Female; D006801:Humans; D007434:Intrauterine Devices / Q000592:standards / Q000706:statistics & numerical data*; D014481:United States